Seis Akustik GmbH

About Seis Akustik

Seis Akustik GmbH is a systems house for sound reinforcement and media technology based in Ronnenberg-Empelde near Hanover. Founded in 1980, the company develops and manufactures in-house digital audio systems, DSP matrix amplifiers, design condenser microphones, line array loudspeakers, LED hymn display systems, hearing assistance technology and video streaming solutions. Loudspeaker series such as BS, CX and CXM are developed in Germany using modern measurement and simulation methods (including EASE) and, depending on the project, also produced in special lengths; enclosures are made predominantly of aluminium, partly powder-coated, while sheet steel is used for ceiling loudspeakers. In addition to product manufacturing, the scope of services includes acoustic simulation, room analysis, software and hardware development, project planning, installation and service. The sales and service network with certified regional representatives covers the whole of Germany as well as the European Union, Austria, Switzerland and the Netherlands. Reference customers include churches, state parliaments, universities, theatres and the fixed installation sector; more than 10,000 projects have been completed since the company was founded.

Site

Ronnenberg-Empelde

Processes

Church technology/sound reinforcement systems, Media technology (large-screen projection, control technology, stage technology), Acoustic simulation/room analysis, Software and hardware development, Installation and support, Nationwide service network, Video streaming/streaming platform UnserGottesdienst.de

Materials

Aluminium, Sheet steel, DSP signal processing, Acoustic simulation (EASE)

Certificates

Quality management system, Quality management system (in-house)

Founded

1980

Industries

Churches/congregations, Universities/colleges, Theatres, State parliament/public institutions, Conference and training rooms, Fixed installation (civic halls, hotels)

1. 01

   Consulting and acoustic room analysis/simulation

2. 02

   In-house software and hardware development

3. 03

   Manufacturing of the DSP amplifier, microphone and loudspeaker series

4. 04

   Project planning and installation

5. 05

   Support and nationwide service network

Materials and Development Processes

Location

Ronnenberg-Empelde (Hanover)

DE

Head office: development, manufacturing, project planning and service

Materials

Aluminium, sheet steel, electronics

• In-house development and manufacturing of digital audio systems
• Measurement and simulation methods (EASE) for loudspeaker development

Products and Assemblies

Inside the production

Quality

All products are continuously checked with an in-house quality management system; loudspeaker development is carried out in Germany using modern measurement and simulation methods.

Company History

1. 1980

   Founded in Hanover by Uwe Sonntag and Bernd Seidel as a specialist provider of acoustic sound reinforcement systems for reverberant rooms such as churches and halls.

2. 1994

   Start of in-house development and manufacturing of digital audio systems.

3. 1995

   Development of the first digitally controlled audio system with DSP audio quality.

4. 1998

   Establishment of the Seis Akustik media division for large-screen display, control technology and stage technology.

5. 2015

   Thomas Hauptstock and Rainer Krause, long-standing employees, took over the management.

6. 2022

   Commissioned with the reprogramming of the Lower Saxony State Parliament's Plenar-TV.